/* ============================================================================
   theme-cokr.css — freebugo.co.kr 디자인 시스템 (Design System 01 채택)
   ============================================================================
   - 베이지-그레이 배경(#e8e8e0) + 모스 그린 Primary(#4a7c59)
   - 부고 컨텍스트(고요·자연·평온)에 부합하는 차분한 톤
   - Bootstrap 5의 --bs-* 변수도 우리 토큰으로 매핑하여 일관성 유지
   ============================================================================ */

:root {
    /* ── 배경 ── */
    --color-bg:             #e8e8e0;
    --color-white:          #ffffff;

    /* ── 브랜드 (모스 그린) ── */
    --color-primary:        #4a7c59;
    --color-primary-light:  #5a8c69;
    --color-primary-dark:   #3d6b4a;

    /* ── 텍스트 ── */
    --color-text:           #1a1a1a;
    --color-text-light:     #666666;
    --color-text-muted:     #888888;
    --color-placeholder:    #aaaaaa;

    /* ── 테두리 ── */
    --color-border:         #d0d0c8;
    --color-border-light:   #e5e5dd;

    /* ── 시맨틱 ── */
    --color-danger:         #dc3545;
    --color-warning:        #f59e0b;
    --color-warning-bg:     #fef3c7;
    --color-sold:           #64748b;

    /* ── 그림자 ── */
    --shadow-sm:  0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md:  0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg:  0 8px 40px rgba(0, 0, 0, 0.12);
    --focus-glow: 0 0 0 3px rgba(74, 124, 89, 0.15);

    /* ── 모서리 ── */
    --radius-sm:  8px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-pill: 30px;

    /* ── 타이포 스케일 ── */
    --fs-xs:  12px;
    --fs-sm:  13px;
    --fs-md:  14px;
    --fs-lg:  15px;
    --fs-xl:  16px;
    --fs-2xl: 18px;
    --fs-3xl: 22px;
    --fs-4xl: 28px;
    --fs-5xl: 32px;
    --fs-hero: 42px;

    /* ── Bootstrap 5 변수 매핑 ── */
    --bs-body-bg:           var(--color-bg);
    --bs-body-color:        var(--color-text);
    --bs-primary:           var(--color-primary);
    --bs-primary-rgb:       74, 124, 89;
    --bs-border-color:      var(--color-border);
    --bs-border-radius:     var(--radius-sm);
    --bs-border-radius-lg:  var(--radius-md);
    --bs-link-color:        var(--color-primary);
    --bs-link-hover-color:  var(--color-primary-dark);
}

/* ============================================================================
   기본 리셋 + 타이포
   ============================================================================ */

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    font-size: var(--fs-xl);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 0.5em;
}

::placeholder { color: var(--color-placeholder); }
::-webkit-input-placeholder { color: var(--color-placeholder); }

/* ============================================================================
   패턴 A — 기본 카드
   ============================================================================ */

.card-base {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    transition: box-shadow 0.2s ease;
}
.card-base:hover {
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   패턴 B — 보조 카드 (눌린 느낌)
   ============================================================================ */

.card-soft {
    background: var(--color-bg);
    border: none;
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: box-shadow 0.2s ease;
}
.card-soft:hover {
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   패턴 C — 히어로 / CTA
   ============================================================================ */

.hero-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2.5rem 1.5rem;
}
.hero-primary h1, .hero-primary h2 { color: var(--color-white); }
.hero-primary .hero-sub { color: rgba(255, 255, 255, 0.9); }
.hero-primary .hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-pill);
    padding: 0.25rem 0.75rem;
    font-size: var(--fs-sm);
}

/* ============================================================================
   패턴 D — 폼 입력
   ============================================================================ */

.form-control,
.form-select,
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
input[type="date"],
textarea,
select {
    width: 100%;
    background: var(--color-white);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.625rem 0.875rem;
    font-size: var(--fs-lg);
    line-height: 1.5;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control:focus,
.form-select:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-glow);
}
.form-control[readonly],
input[readonly] {
    background: var(--color-bg);
    color: var(--color-text-light);
}
.form-control.is-invalid,
input.is-invalid {
    border-color: var(--color-danger);
}
.form-error {
    color: var(--color-danger);
    font-size: var(--fs-sm);
    margin-top: 0.25rem;
}
.form-label {
    display: block;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.4rem;
}
.form-required::after {
    content: '*';
    color: var(--color-danger);
    margin-left: 2px;
}

/* ============================================================================
   버튼
   ============================================================================ */

.btn,
button.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-size: var(--fs-xl);
    font-weight: 600;
    line-height: 1.4;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}
.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-white);
}
.btn-primary:active {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}
.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-border-light);
}

.btn-disabled,
.btn:disabled {
    background: #cccccc;
    color: var(--color-white);
    border-color: #cccccc;
    cursor: not-allowed;
}

.btn-lg {
    padding: 0.85rem 1.6rem;
    font-size: var(--fs-2xl);
}

/* ============================================================================
   패턴 E — 경고 배너
   ============================================================================ */

.alert-warning-banner {
    background: var(--color-warning-bg);
    border-left: 4px solid var(--color-warning);
    border-radius: var(--radius-sm);
    padding: 0.875rem 1rem;
    color: var(--color-text);
    font-size: var(--fs-md);
}
.alert-warning-banner .icon { color: var(--color-warning); margin-right: 0.4rem; }

/* ============================================================================
   패턴 F — 다크 푸터
   ============================================================================ */

.site-footer {
    background: var(--color-text);
    color: var(--color-white);
    padding: 2rem 1rem 1.5rem;
    margin-top: 3rem;
}
.site-footer a {
    color: rgba(255, 255, 255, 0.8);
}
.site-footer a:hover {
    color: var(--color-white);
}
.site-footer .footer-divider {
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}
.site-footer .footer-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--fs-sm);
}

/* ============================================================================
   배지 (pill)
   ============================================================================ */

.badge-pill {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-pill);
    background: rgba(74, 124, 89, 0.1);
    color: var(--color-primary);
    font-size: var(--fs-sm);
    font-weight: 500;
}

/* ============================================================================
   네비게이션 바
   ============================================================================ */

.site-nav {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border-light);
    padding: 0.75rem 1rem;
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-nav .brand {
    color: var(--color-primary);
    font-weight: 700;
    font-size: var(--fs-2xl);
    text-decoration: none;
}
.site-nav .brand:hover {
    color: var(--color-primary-dark);
    text-decoration: none;
}

/* ============================================================================
   유틸리티
   ============================================================================ */

.container-app {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1rem;
}
.text-muted { color: var(--color-text-muted); }
.text-light { color: var(--color-text-light); }
.fs-hero { font-size: var(--fs-hero); }
.fs-stat { font-size: var(--fs-5xl); }
.section-title { font-size: var(--fs-4xl); margin-bottom: 1rem; }
.mt-section { margin-top: 2.5rem; }
.mb-section { margin-bottom: 2.5rem; }

/* 모바일 우선 — 작은 화면에서 hero 폰트 축소 */
@media (max-width: 576px) {
    .fs-hero { font-size: 32px; }
    .fs-stat { font-size: 24px; }
    .section-title { font-size: 22px; }
    .hero-primary { padding: 2rem 1.25rem; }
}